Origin
Seattle, WA
Late night in Seattle on Sunday
Local time
12:29 AM
PDT
Current temp
49°F
Unavailable
Live forecast
Trip from Seattle, WA to Brier, WA
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
25m
Distance
15.9 mi
26 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 23m
★
6 AM
0h 25m
8 AM
0h 30m
10 AM
0h 27m
12 PM
0h 27m
3 PM
0h 27m
5 PM
0h 30m
8 PM
0h 24m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Seattle, WA
Wikimedia Commons
Brier, WA
Wikimedia Commons
Trip Overview
If you are planning a quick excursion from Seattle to Brier, you are looking at a brief 15.9-mile journey that typically takes about 25 minutes. This route is perfectly suited for a single-day trip, as the distance is short enough that you will not need to worry about overnight accommodations. You can expect to spend roughly $3 on fuel for the trip, making it an incredibly budget-friendly option. Navigating primarily via I-5, you will find yourself moving between two locations within the Pacific Coast region. Whether you are heading out for errands or a quick visit, this drive offers a straightforward commute between the city and the suburban landscape of Brier.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 5 | 12 mi | 15m |
| 236th Street Southwest | 1.1 mi | 3m |
| 228th Street Southwest | 0.8 mi | 2m |
| Brier Road | 0.5 mi | 1m |
| Cedar Way | 0.3 mi | <1m |
| 4th Avenue | 0.2 mi | <1m |
| 44th Avenue West | 0.2 mi | <1m |
| University Street | 0.1 mi | <1m |
Longest stretch:
I 5
— 12 mi, about 15m
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle, WA and Brier, WA.
1
Start on this road
31 ft
·
7 sec
·
this road
2
Turn left onto Madison Street
204 ft
·
11 sec
·
Madison Street
3
Turn right onto 4th Avenue
0.2 mi
·
39 sec
·
4th Avenue
Use the straight lane.
4
Turn right onto University Street
0.1 mi
·
26 sec
·
University Street
5
Take the ramp
0.3 mi
·
41 sec
Toward I 5 North
6
Merge onto I 5
12 mi
·
15 min
·
I 5
Use the straight / slight right lanes.
7
Take the exit
0.3 mi
·
47 sec
Exit 178
Toward 236th Street Southwest, Mountlake Terrace
Use the straight / slight right lanes.
8
Turn right onto 236th Street Southwest
1.1 mi
·
3 min
·
236th Street Southwest
Use the straight / right lanes.
9
Turn left onto Cedar Way
0.3 mi
·
36 sec
·
Cedar Way
Use the left lane.
10
Continue on 44th Avenue West
0.2 mi
·
21 sec
·
44th Avenue West
11
Turn right onto 228th Street Southwest
0.8 mi
·
2 min
·
228th Street Southwest
12
Turn right onto Brier Road
0.5 mi
·
1 min
·
Brier Road
13
Arrive at destination
Brier Road
Heads-up: tricky spots
5 of 105 decision points cluster between mile 0 and 14.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip
|
~0m in
|
Madison Street
Turn left onto Madison Street
Navigation decision point
7
0 mi into trip
|
~0m in
|
4th Avenue
Turn right onto 4th Avenue
Lane positioning matters here
Use the straight lane.
8
12.6 mi into trip
|
~17m in
Take the exit toward 236th Street Southwest, Mountlake Terrace
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 178
Toward 236th Street Southwest, Mountlake Terrac...
6
13 mi into trip
|
~17m in
|
236th Street Southwest
Turn right onto 236th Street Southwest
Lane positioning matters here
Use the straight / right lanes.
6
14.1 mi into trip
|
~20m in
|
Cedar Way
Turn left onto Cedar Way
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$3.33 one way
$6.66 round trip
$5.32/gal
25.4 MPG avg
6 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.58 | $3.49 | $6.98 |
| premium | $5.77 | $3.61 | $7.22 |
| diesel | $5.61 | $3.51 | $7.02 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 5.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.8 | 0 | $1.67 | $0.76 |
| Efficient EV | 4 | 0 | $1.39 | $0.64 |
| EV Truck/SUV | 6.4 | 0 | $2.23 | $1.02 |
Gas CO2
6 kg
EV CO2
2 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Brier, WA
Late night in Brier on Sunday
Local time
12:29 AM
PDT
Current temp
63°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
14 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
25m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
Expect a highway-focused experience, as 75% of this 15.9-mile trip is spent on major thoroughfares. The longest uninterrupted stretch covers 12 miles on I-5, providing a consistent pace before you transition to local roads like 236th Street Southwest and 228th Street Southwest. Because the majority of the drive is interstate, the road's personality is defined by quick, efficient transit rather than winding, scenic exploration. As you exit the highway and move onto the smaller streets leading into Brier, the intensity of the traffic tends to taper off. This is a functional, no-nonsense drive designed to get you to your destination with minimal fuss.
75% highway — fuel and pacing are the main things to plan.
13 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 12 mi on I 5.
How Hard Is This Drive?
5/10
This is a straightforward highway drive that stays mostly on I 5 and 236th Street Southwest. You will hit about 10 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near Madison Street.
Driving Effort
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 15.9 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (Madison Street): Navigation decision point; near the start (4th Avenue): Lane positioning matters here; at 12.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Seattle, WA and Brier, WA, road signs point toward 236Th Street Southwest and Mountlake Terrace.
236Th Street Southwest
12.6 mi in
|
~17m
Mountlake Terrace
12.6 mi in
|
~17m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 25m. Total distance: 15.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
25m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (75%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 12 miles on I 5. The full list of main roads is in the Roads section above.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: near the start (Madison Street): Navigation decision point; near the start (4th Avenue): Lane positioning matters here; at 12.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Brier, WA before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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